
// Copyright (C) 2007 Richard Uhler
// This file is part of Esiply.
//
// Esiply is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, Version 2,
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#include <assert.h>

#include "Completion.h"
#include "Expression.h"
#include "ExpressionStatement.h"
#include "Null.h"
#include "Scope.h"

ExpressionStatement::ExpressionStatement(Expression* expression)
    : m_expression(expression)
{}

Value* ExpressionStatement::execute_internal(Scope* scope) const
{
    // Ecma 12.4
    // 1. Evalute expression
    // 2. Call get value on the result
    // 3. Return (normal, Result, empty)
    assert(m_expression);
    Value* res = m_expression->evaluate(scope)->getValue();
    CHECK_EXCEPTION(res);
    return new Completion(CT_NORMAL, res, Completion::empty);
}

